| Answer | Crossword Clue |
|---|---|
| DROPPER | Useful glass tube. |
| PIPET | Chemist's glass tube. |
| NEON | Glass tube filler |
| BURET | Graduated glass tube |
| PYREX | Test-tube glass |
| VIAL | Small glass tube |
| BURETTE | Chemist's glass tube. |
| PYREX | Test tube glass |
| BURETTE | Chemist's glass tube |
| PIPET | Slender glass tube: Var. |
| BURET | Chemist's glass tube: Var. |
| MATRASS | Glass tube for blowpipe tests. |
| PIPETTE | Glass tube used in chemistry |
| BURET | Graduated glass tube used by chemists. |
| MATRASS | Chemical glass tube, closed at one end. |
